Maps and Data - Vehicle Weight Classes & Categories
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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Laws & Incentives
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Natural Gas Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of natural gas
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Propane Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of propane
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Renewable Diesel Laws and Incentives by State
Displays states and their respective law and incentive counts related to the use of renewable diesel
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Clean Cities and Communities
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Clean Cities and Communities Coalition Locations
Displays coalition locations and boundaries across the United States Last update April 2024
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Clean Cities and Communities Project Awards and Matching Funds
Trend of competitive project awards and matching funds from 1998 to 2022 Last update February 2024
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Clean Cities and Communities: Vehicles
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Clean Cities and Communities Alternative Fuel Vehicle Inventory
Alternative fuel vehicle inventory reported by Clean Cities and Communities coalitions from 2004 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact by AFV Type
Trend of energy impact by fuels used in alternative fuel vehicles (AFVs) from 2004 to 2022 Last update February 2024
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Clean Cities and Communities: Energy Use Impact
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Clean Cities and Communities Annual Energy Use Impact
Trend of reduced fuel use and increased fuel diversity from 1994 to 2022 Last update February 2024
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Clean Cities and Communities Cumulative Energy Use Impact
Cumulative trend of reduced fuel use and increased fuel diversity from 1994 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact by AFV Type
Trend of energy impact by fuels used in alternative fuel vehicles (AFVs) from 2004 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact by VMT Reduction and FE
Trend of energy impact by fuel economy (FE) improvements and reductions in vehicle miles traveled (VMT) from 2004 to 2022 Last update February 2024
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Clean Cities and Communities Energy Use Impact through Idle Reduction
Trend of energy impact by idle reduction policies and technologies from 2004 to 2022 Last update February 2024
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Regulated Fleets: State & Alt Fuel Providers
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AFV Acquisitions by Regulated Fleets (by Fleet Type)
Trend of State & Alternative Fuel Provider (S&FP) alternative fuel vehicle (AFV) acquisitions by fleet type from 1992 to 2023 Last update June 2024
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AFV Acquisitions by Regulated Fleets (by Fuel Type)
Trend of State & Alternative Fuel Provider (S&FP) alternative fuel vehicle (AFV) acquisitions by fuel type from 1992 to 2023 Last update June 2024
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Annual Vehicle Credits Earned and Used by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1999 to 2023 Last update May 2024
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Alternative Fuel Provider Biodiesel Purchases from 2000 to 2023 Last update May 2024
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EPAct State & Alternative Fuel Provider Fleet Exemptions
Trend of State & Alternative Fuel Provider (S&FP) exemption requests and vehicles exempted from 1997 to 2023 Last update June 2024
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Vehicle Credits Traded by Regulated Fleets
Trend of State & Alternative Fuel Provider (S&FP) EPAct credits traded and transactions from 1997 to 2023 Last update May 2024
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Regulated Fleets: Federal Fleets
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AFV Requirements, Acquisitions, and Credits for Federal Agencies
Displays EPAct alternative fuel vehicle (AFV) acquisition requirements, total AFV acquisitions, and additional credits toward the acquisition requirements for federal agencies from fiscal years 2000 through 2023 Last update April 2024
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| Gross Vehicle Weight Rating (lbs) | Federal Highway Administration | US Census Bureau | |
|---|---|---|---|
| Vehicle Class | GVWR Category | VIUS Classes | |
| > 6,000 | Class 1: < 6,000 lbs | Light Duty < 10,000 lbs |
Light Duty < 10,000 lbs |
| 10,000 | Class 2: 6,001 – 10,000 lbs | ||
| 14,000 | Class 3: 10,001 – 14,000 lbs | Medium Duty 10,001 – 26,000 lbs |
Medium Duty 10,001 – 19,500 lbs |
| 16,000 | Class 4: 14,001 – 16,000 lbs | ||
| 19,500 | Class 5: 16,001 – 19,500 lbs | ||
| 26,000 | Class 6: 19,501 – 26,000 lbs | Light Heavy Duty 19,001 – 26,000 lbs |
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| 33,000 | Class 7: 26,001 – 33,000 lbs | Heavy Duty > 26,001 lbs |
Heavy Duty > 26,001 lbs |
| > 33,000 | Class 8: > 33,001 lbs | ||
| Gross Vehicle Weight Rating (lbs) | EPA Emissions Classification | |||
|---|---|---|---|---|
| Heavy Duty Vehicle and Engines | Light Duty Vehicles | |||
| H.D. Trucks | H.D. Engines | General Trucks | Passenger Vehicles | |
| < 6,000 | Light Duty Truck 1 & 2 < 6,000 lbs |
Light Light Duty Trucks < 6,000 lbs |
Light Duty Trucks < 8,500 lbs |
Light Duty Vehicle < 8,500 lbs |
| 8,500 | Light Duty Truck 3 & 4 6,001 – 8,500 lbs |
Heavy Light Duty Trucks 6,001 – 8,500 lbs |
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| 10,000 | Heavy Duty Vehicle 2b 8,501 – 10,000 lbs |
Light Heavy Duty Engines 8,501 – 19,500 lbs |
Heavy Duty Vehicle Heavy Duty Engine > 8,500 lbs |
Medium Duty Passenger Vehicle 8,501 – 10,000 lbs |
| 14,000 | Heavy Duty Vehicle 3 10,001 – 14,000 lbs |
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| 16,000 | Heavy Duty Vehicle 4 14,001 – 16,000 lbs |
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| 19,500 | Heavy Duty Vehicle 5 16,001 – 19,500 lbs |
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| 26,000 | Heavy Duty Vehicle 6 19,501 – 26,000 lbs |
Medium Heavy Duty Engines 19,501 – 33,000 lbs |
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| 33,000 | Heavy Duty Vehicle 7 26,001 – 33,000 lbs |
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| 60,000 | Heavy Duty Vehicle 8a 33,001 – 60,000 lbs |
Heavy Heavy Duty Engines Urban Bus > 33,001 lbs |
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| > 60,000 | Heavy Duty Vehicle 8b > 60,001 lbs |
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These charts illustrate the vehicle weight classes and categories used by the Federal Highway Administration (FHWA), the U.S. Census Bureau, and the U.S. Environmental Protection Agency (EPA). The vehicle weight classes are defined by FHWA and are used consistently throughout the industry. These classes, 1-8, are based on gross vehicle weight rating (GVWR), the maximum weight of the vehicle, as specified by the manufacturer. GVWR includes total vehicle weight plus fluids, passengers, and cargo. FHWA categorizes vehicles as Light Duty (Class 1-2), Medium Duty (Class 3-6), and Heavy Duty (Class 7-8). EPA defines vehicle categories, also by GVWR, for the purposes of emissions and fuel economy certification. EPA classifies vehicles as Light Duty (GVWR < 8,500 lb) or Heavy Duty (GVWR > 8,501 lb). Within the Heavy-Duty class, there is a Medium Heavy Duty Diesel Engine class for engine-only certification, but no Medium-Duty Vehicle class. The September 2011 U.S. Department of Transportation (DOT)/EPA rulemaking on Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles uses categories and weights for Heavy-Duty Vehicle Classes 2b through 8, similar to the FHWA weight classes.